package com.kuang.dao;

import com.kuang.pojo.Department;
import com.kuang.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

@Repository
public class EmployeeDao {

    //模拟数据库中的数据
    private static Map<Integer, Employee> employees = null;
    //员工有所属的部门
    @Autowired
    private DepartmentDao departmentDao;

    static {
        employees = new HashMap<Integer, Employee>();

        employees.put(1001, new Employee(1001, "AA", "A12342@qq.com", 0, new Department(101, "教学部")));
        employees.put(1002, new Employee(1002, "BB", "B12342@qq.com", 1, new Department(102, "后勤部")));
        employees.put(1003, new Employee(1003, "CC", "C12342@qq.com", 0, new Department(103, "教研部")));
        employees.put(1004, new Employee(1004, "DD", "D12342@qq.com", 1, new Department(104, "市场部")));
        employees.put(1005, new Employee(1005, "EE", "E12342@qq.com", 0, new Department(105, "运营部")));
    }

    //主键自增
    private static Integer initId = 1006;

    //增加一个员工
    public void save(Employee employee){
        if(employee.getId() == null){
            employee.setId(initId++);
        }

        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));

        employees.put(employee.getId(), employee);
    }
    //查询全部员工信息
    public Collection<Employee> getAll(){
        return employees.values();
    }
//    通过id查询员工
    public Employee getEmploeeById(Integer id){
        return employees.get(id);
    }
//    通过id删除员工
    public void delete(Integer id){
        employees.remove(id);
    }
}
